:root {
            --primary-color: #7b68ee;
            --secondary-color: #00d4aa;
            --dark-bg: #0f0b1f;
            --light-bg: #1a162b;
            --text-primary: #f0f0ff;
            --text-secondary: #b8b5d0;
            --accent-color: #ff6ec7;
            --card-bg: rgba(30, 26, 51, 0.8);
            --border-radius: 12px;
            --box-shadow: 0 10px 30px rgba(0, 0, 0, 0.3);
            --transition: all 0.3s ease;
            --max-width: 1200px;
        }
        * {
            margin: 0;
            padding: 0;
            box-sizing: border-box;
        }
        body {
            font-family: 'Segoe UI', Tahoma, Geneva, Verdana, sans-serif;
            line-height: 1.7;
            background: linear-gradient(135deg, var(--dark-bg) 0%, #1a1030 100%);
            color: var(--text-primary);
            overflow-x: hidden;
            padding-top: 80px;
        }
        a {
            color: var(--secondary-color);
            text-decoration: none;
            transition: var(--transition);
        }
        a:hover {
            color: var(--accent-color);
        }
        .container {
            width: 100%;
            max-width: var(--max-width);
            margin: 0 auto;
            padding: 0 20px;
        }
        header {
            background-color: rgba(15, 11, 31, 0.95);
            backdrop-filter: blur(10px);
            position: fixed;
            top: 0;
            width: 100%;
            z-index: 1000;
            border-bottom: 1px solid rgba(123, 104, 238, 0.2);
            padding: 15px 0;
        }
        .header-container {
            display: flex;
            justify-content: space-between;
            align-items: center;
        }
        .my-logo {
            font-size: 1.8rem;
            font-weight: 800;
            background: linear-gradient(90deg, var(--primary-color), var(--secondary-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
            letter-spacing: 1px;
        }
        .my-logo:hover {
            transform: scale(1.05);
        }
        nav ul {
            display: flex;
            list-style: none;
        }
        nav ul li {
            margin-left: 30px;
        }
        nav ul li a {
            font-weight: 600;
            font-size: 1rem;
            display: flex;
            align-items: center;
            gap: 8px;
        }
        nav ul li a i {
            font-size: 0.9rem;
        }
        .hamburger {
            display: none;
            font-size: 1.8rem;
            cursor: pointer;
            color: var(--text-primary);
        }
        .breadcrumb {
            padding: 15px 0;
            font-size: 0.9rem;
            color: var(--text-secondary);
            margin-top: 10px;
            border-bottom: 1px solid rgba(255, 255, 255, 0.05);
        }
        .breadcrumb a {
            color: var(--text-secondary);
        }
        .breadcrumb a:hover {
            color: var(--primary-color);
        }
        .breadcrumb span {
            margin: 0 8px;
        }
        main {
            padding: 40px 0 60px;
        }
        .article-header {
            text-align: center;
            margin-bottom: 50px;
            padding: 30px;
            background: var(--card-bg);
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            border-left: 5px solid var(--accent-color);
        }
        h1 {
            font-size: 2.8rem;
            margin-bottom: 20px;
            line-height: 1.2;
            background: linear-gradient(90deg, #fff, var(--secondary-color));
            -webkit-background-clip: text;
            background-clip: text;
            color: transparent;
        }
        h2 {
            font-size: 2.2rem;
            margin: 40px 0 20px;
            padding-bottom: 10px;
            border-bottom: 2px solid var(--primary-color);
            color: var(--text-primary);
        }
        h3 {
            font-size: 1.8rem;
            margin: 35px 0 15px;
            color: var(--secondary-color);
        }
        h4 {
            font-size: 1.4rem;
            margin: 25px 0 10px;
            color: var(--text-secondary);
        }
        p {
            margin-bottom: 20px;
            font-size: 1.1rem;
            color: var(--text-secondary);
        }
        .lead {
            font-size: 1.3rem;
            color: var(--text-primary);
            font-weight: 300;
            margin-bottom: 30px;
        }
        .highlight {
            background: linear-gradient(90deg, rgba(123, 104, 238, 0.2), rgba(0, 212, 170, 0.2));
            padding: 25px;
            border-radius: var(--border-radius);
            margin: 30px 0;
            border-left: 4px solid var(--primary-color);
        }
        .highlight p {
            color: var(--text-primary);
            font-size: 1.2rem;
            margin-bottom: 0;
        }
        .emoji {
            font-size: 1.2em;
            margin-right: 5px;
        }
        .image-container {
            margin: 40px 0;
            text-align: center;
        }
        .article-image {
            max-width: 100%;
            height: auto;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            transition: var(--transition);
        }
        .article-image:hover {
            transform: translateY(-5px);
            box-shadow: 0 15px 35px rgba(0, 0, 0, 0.4);
        }
        figcaption {
            margin-top: 10px;
            font-style: italic;
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .interactive-section {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(300px, 1fr));
            gap: 30px;
            margin: 50px 0;
        }
        .interactive-card {
            background: var(--card-bg);
            padding: 30px;
            border-radius: var(--border-radius);
            box-shadow: var(--box-shadow);
            transition: var(--transition);
            border: 1px solid rgba(123, 104, 238, 0.1);
        }
        .interactive-card:hover {
            transform: translateY(-10px);
            border-color: var(--primary-color);
        }
        .interactive-card h3 {
            margin-top: 0;
            display: flex;
            align-items: center;
            gap: 10px;
        }
        .interactive-card form {
            display: flex;
            flex-direction: column;
            gap: 15px;
        }
        .interactive-card input,
        .interactive-card textarea,
        .interactive-card select {
            padding: 12px 15px;
            background: rgba(15, 11, 31, 0.7);
            border: 1px solid rgba(123, 104, 238, 0.3);
            border-radius: 8px;
            color: var(--text-primary);
            font-size: 1rem;
            transition: var(--transition);
        }
        .interactive-card input:focus,
        .interactive-card textarea:focus,
        .interactive-card select:focus {
            outline: none;
            border-color: var(--primary-color);
            box-shadow: 0 0 0 2px rgba(123, 104, 238, 0.2);
        }
        .interactive-card button {
            background: linear-gradient(90deg, var(--primary-color), #5d4fcc);
            color: white;
            border: none;
            padding: 14px;
            border-radius: 8px;
            font-weight: 600;
            font-size: 1rem;
            cursor: pointer;
            transition: var(--transition);
        }
        .interactive-card button:hover {
            background: linear-gradient(90deg, #5d4fcc, var(--primary-color));
            transform: translateY(-2px);
        }
        .star-rating {
            display: flex;
            justify-content: center;
            gap: 10px;
            margin: 15px 0;
        }
        .star-rating input {
            display: none;
        }
        .star-rating label {
            font-size: 2rem;
            color: #444;
            cursor: pointer;
            transition: var(--transition);
        }
        .star-rating label:hover,
        .star-rating label:hover ~ label {
            color: #ffcc00;
        }
        .star-rating input:checked ~ label {
            color: #ffcc00;
        }
        .content-section {
            margin-bottom: 50px;
        }
        .stats-grid {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 20px;
            margin: 30px 0;
        }
        .stat-card {
            background: var(--card-bg);
            padding: 20px;
            border-radius: var(--border-radius);
            text-align: center;
            border-top: 4px solid var(--secondary-color);
        }
        .stat-number {
            font-size: 2.5rem;
            font-weight: 800;
            color: var(--primary-color);
            margin-bottom: 10px;
        }
        .stat-desc {
            color: var(--text-secondary);
        }
        .link-list {
            background: rgba(30, 26, 51, 0.5);
            padding: 20px;
            border-radius: var(--border-radius);
            margin: 30px 0;
        }
        .link-list ul {
            display: grid;
            grid-template-columns: repeat(auto-fill, minmax(200px, 1fr));
            gap: 10px;
            list-style: none;
        }
        .link-list li {
            padding: 8px 0;
            border-bottom: 1px dashed rgba(255, 255, 255, 0.1);
        }
        .link-list li:last-child {
            border-bottom: none;
        }
        .link-list a {
            display: flex;
            align-items: center;
            gap: 8px;
        }
        .link-list a i {
            color: var(--primary-color);
        }
        footer {
            background-color: #0a0818;
            padding: 50px 0 30px;
            margin-top: 60px;
            border-top: 1px solid rgba(123, 104, 238, 0.2);
        }
        .footer-content {
            display: grid;
            grid-template-columns: repeat(auto-fit, minmax(250px, 1fr));
            gap: 40px;
            margin-bottom: 40px;
        }
        .footer-section h4 {
            color: var(--text-primary);
            margin-bottom: 20px;
            font-size: 1.2rem;
        }
        friend-link {
            display: block;
            margin-top: 20px;
            padding-top: 20px;
            border-top: 1px solid rgba(255, 255, 255, 0.1);
        }
        friend-link h4 {
            color: var(--text-primary);
            margin-bottom: 15px;
        }
        friend-link ul {
            list-style: none;
        }
        friend-link li {
            margin-bottom: 10px;
        }
        .copyright {
            text-align: center;
            padding-top: 30px;
            border-top: 1px solid rgba(255, 255, 255, 0.05);
            color: var(--text-secondary);
            font-size: 0.9rem;
        }
        .update-time {
            color: var(--secondary-color);
            font-weight: 600;
            margin-top: 10px;
            display: inline-block;
            background: rgba(0, 212, 170, 0.1);
            padding: 5px 10px;
            border-radius: 5px;
        }
        @media (max-width: 992px) {
            h1 {
                font-size: 2.3rem;
            }
            h2 {
                font-size: 1.9rem;
            }
            h3 {
                font-size: 1.6rem;
            }
        }
        @media (max-width: 768px) {
            body {
                padding-top: 70px;
            }
            .hamburger {
                display: block;
            }
            nav ul {
                position: fixed;
                top: 70px;
                left: -100%;
                width: 100%;
                flex-direction: column;
                background-color: var(--dark-bg);
                padding: 20px;
                transition: var(--transition);
                box-shadow: 0 10px 20px rgba(0, 0, 0, 0.2);
                z-index: 999;
            }
            nav ul.active {
                left: 0;
            }
            nav ul li {
                margin: 10px 0;
            }
            .header-container {
                padding: 0 15px;
            }
            .interactive-section {
                grid-template-columns: 1fr;
            }
            .link-list ul {
                grid-template-columns: 1fr;
            }
        }
        @media (max-width: 576px) {
            h1 {
                font-size: 1.9rem;
            }
            h2 {
                font-size: 1.6rem;
            }
            .container {
                padding: 0 15px;
            }
            .article-header {
                padding: 20px;
            }
        }